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1.2 Functions & Features
1.
Auto-ranging/ manual ranging selectable.
2.
Analog bar graph.
3.
Frequency weighting (A Type)
4.
Range display.
5.
Auto-power off
6.
Low battery indication
7.
Sound OVER or UNDER display.
8.
Software calibrating to insure high reliability.
■
Features
1.
Designed to meet IEC651 Type 2 and ANSI
S1.4 Type 2 Standards
2.
Frequency Response: 31.5Hz—8kHz.
3.
Accuracy
：
±3 dB for 30 to 60 dB;
a.
±2 dB for 60 to 120 dB.
4.
Resolution: 0.1 dB.
5.
Measurement ranges
：
30—60dB/ 50—80dB/
70—100dB/ 90—120dB.
6.
Digital display
：
4 digital LCD Display.